Chevrolet Chevrolet Truck 2002 — technical service bulletin
Bulletin 33 · NHTSA communication 619223 · issued Mar 1, 2001
Technical service bulletin
communication type
Structure
component
2002
model years
4
vehicle entries
Official summary
Information on headliner replacement, headliner harness routing, and replacing or servicing the sunroof on various models including the 2002 chevrolet trailblazer. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.